sysdeps/pthread/tst-key4.c

   1 /* Copyright (C) 2003-2024 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 #include <limits.h>
  19 #include <pthread.h>
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <unistd.h>
  23
  24
  25 #ifdef PTHREAD_KEYS_MAX
  26 const int max = PTHREAD_KEYS_MAX;
  27 #else
  28 const int max = _POSIX_THREAD_KEYS_MAX;
  29 #endif
  30 static pthread_key_t *keys;
  31
  32
  33 static void *
  34 tf1 (void *arg)
  35 {
  36   int i;
  37   for (i = 0; i < max; ++i)
  38     if (pthread_setspecific (keys[i], (void *) (long int) (i + 1)) != 0)
  39       {
  40         puts ("setspecific failed");
  41         exit (1);
  42       }
  43
  44   return NULL;
  45 }
  46
  47
  48 static void *
  49 tf2 (void *arg)
  50 {
  51   int i;
  52   for (i = 0; i < max; ++i)
  53     if (pthread_getspecific (keys[i]) != NULL)
  54       {
  55         printf ("getspecific for key %d not NULL\n", i);
  56         exit (1);
  57       }
  58
  59   return NULL;
  60 }
  61
  62
  63 static int
  64 do_test (void)
  65 {
  66   keys = alloca (max * sizeof (pthread_key_t));
  67
  68   int i;
  69   for (i = 0; i < max; ++i)
  70     if (pthread_key_create (&keys[i], NULL) != 0)
  71       {
  72         puts ("key_create failed");
  73         exit (1);
  74       }
  75
  76   pthread_attr_t a;
  77
  78   if (pthread_attr_init (&a) != 0)
  79     {
  80       puts ("attr_init failed");
  81       exit (1);
  82     }
  83
  84   if (pthread_attr_setstacksize (&a, 1 * 1024 * 1024) != 0)
  85     {
  86       puts ("attr_setstacksize failed");
  87       return 1;
  88     }
  89
  90   for (i = 0; i < 10; ++i)
  91     {
  92       int j;
  93 #define N 2
  94       pthread_t th[N];
  95       for (j = 0; j < N; ++j)
  96         if (pthread_create (&th[j], NULL, tf1, NULL) != 0)
  97           {
  98             puts ("1st create failed");
  99             exit (1);
 100           }
 101
 102       for (j = 0; j < N; ++j)
 103         if (pthread_join (th[j], NULL) != 0)
 104           {
 105             puts ("1st join failed");
 106             exit (1);
 107           }
 108
 109       for (j = 0; j < N; ++j)
 110         if (pthread_create (&th[j], NULL, tf2, NULL) != 0)
 111           {
 112             puts ("2nd create failed");
 113             exit (1);
 114           }
 115
 116       for (j = 0; j < N; ++j)
 117         if (pthread_join (th[j], NULL) != 0)
 118           {
 119             puts ("2nd join failed");
 120             exit (1);
 121           }
 122     }
 123
 124   if (pthread_attr_destroy (&a) != 0)
 125     {
 126       puts ("attr_destroy failed");
 127       exit (1);
 128     }
 129
 130   return 0;
 131 }
 132
 133
 134 #define TEST_FUNCTION do_test ()
 135 #include "../test-skeleton.c"